Apogee Series
– Hardware Manual
APOGEEHM.1.5
4.3.4. Electrical specifications (V2 hardware)
Recommended electrical specifications from -40°C to 71°C.
All signals are referenced to GND_MAIN. Pins #3, #4 and #7 are internally connected.
Parameter
Conditions
Min.
Typ.
Max.
Units
RS-232/RS-422
Input Voltage Range
-25
+25
V
Input Threshold
Threshold Low
0,8
1,5
V
Threshold High
1,8
2,7
V
Internal Pull-Up Resistor
Pull Voltage = +5VDC
1
kΩ
Sync Out A, Sync Out B
Output Type
Push pull
-
High-level output Voltage
I < 30mA
3.5
5.0
V
Low-level output Voltage
I < 30mA
0.0
1.5
V
Port A – RS-422 – Receiver
Receiver Data Rate
4800
921600
bps
Input Resistance
-7V < Common Mode Voltage < +12V
96
kΩ
Input Differential Threshold
-7V < Common Mode Voltage < +12V
-200
-50
mV
Input Hysteresis
30
mV
Port A – RS-422 – Transmitter
Differential Output Voltage
2
V
Common-Mode Output Voltage
3
V
Port A – RS-232 – Receiver, Sync In A
Input Voltage Range
-25
+25
V
Input Threshold
Threshold Low
0,8
V
Threshold High
2,7
V
Input Hysteresis
500
mV
Input Resistance
3
5
7
kΩ
Port A – RS-232 – Transmitter
Output Voltage Swing
Tx loaded with 3kΩ to GND_MAIN
±5
±5,4
V
CAN
Recessive Bus Voltage
2
3
V
CAN H Output Voltage
Dominant
3,0
4,25
V
CAN L Output Voltage
Dominant
0,5
1,75
V
Differential Input Voltage
-12V ≤ Common Mode Voltage ≤ +12V 0,5
0,7
0,9
V
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